When orienting a map, our aim is to position it so that the north-south grid lines on the map (eastings) are aligned north-south. Use the illustration above to familiarize yourself with the components of a lensatic compass. Lets pretend youre on a hike. Well use the rear bearing of it to draw a line on the map from Saddle Mountain to our approximate direction. While some elements of the navigation process are similar to using a baseplate compass, there are also slight differencesincluding how you hold a lensatic compass. Stand so that you can see where the north arrow is pointing, and where your direction of travel arrow is pointing. Conversely, the black end of the compass needle should be pointing south. Point position. In actual practice, orienting your map is something you'll often do "on the run" and can be as simple as glancing at your compass needle and turning the map more or less accordingly. Its a bit tricky, but once you get the hang of it, youre solid. Remember declination from Part I? (Be sure you understand magnetic declination. In this video below,the user walks through the elements of a USGI lensatic compass, and how to properly use one. Execute your docs in minutes using our simple step-by-step instructions: Get the How To Use A Lensatic Compass you need. Find the magnetic declination on your map. The how to orient a map using a compass is a skill that can be used in the outdoors. Note that we will be moving and adjusting the compass on the map. Housing lines should be parallel to the vertical grid lines on the map. Best Camping Knife for Outdoor Adventures, Best 4-Person Tent For Camping [2023 Update], How to Use a Fire Starter: A Simple, Step-by-Step Guide, How to Dispose of Butane Cans (and Other Solvents), Best Hikes in Colorado: 17 Incredible Trails, Types of Backpacks: The Ultimate List of 23 Pack Styles, Learning one of land navigations primary skills, Turn your map using your map and compass together, How to check your map is oriented correctly. 3. ? Have you noticed the agonic line? You can use this feature to set your compass in the dark. It would be 204 (24+180) in this situation. Step One: Take a Compass Bearing on the Ground. Method #1. No declination exists and you dont have to adjust your compass. Sometimes limited visibility means terrain features may not be visible. Find two or three easily identifiable features or landmarks on your map and then try to identify them in the terrain, or vice-versa. Turn the compass and the map as a unit until the luminous magnetic arrow is directly under the fixed black line. Doing this quick visual sense check by examining the surrounding terrain is to triple-check that your readings arent out by 180 degrees and to make sure the map is always aligned with your compasss north-pointing (and usually red) magnetic arrow i.e. Module 11 Plotting Position Coordinates exact positioning, used to communicate to others with a (1) Compass-to-cheek method (figure C-21). Module 1 Lensatic Compass. Say your azimuth was 170 degrees. durability, and its hyper-accuracy in land. 2. Turn your map so that north on the map corresponds to the needles orientation. Performance Steps 1. Plot a line on the map from Saddle Mountain at 130. The plotted line cuts through Mt. As mentioned in Part I, true north and magnetic north arent the same. It has its advantages and disadvantages over the orienteering compass. Remember, maps are drafted with north at the top. Most lensatic compasses are designed to withstand moisture to a certain extent, but nobody makes them perfect. The Lensatic compass also has a large number of drawbacks, including the use of a large case that can make this a cumbersome and heavy option. The mils are in black, and are the outer measurements on the ring. Fog or dense forest may mean you cant see but a few feet around you in any direction. Announcement: My online Land Navigation course includes four hours of video instruction, and two downloadable PDF books, all for about the same price as a typical paperback book. Tilt it forwards until you can see your sighting arrow. How to Pack a Backpack Are You Doing it Right? This involves trying to orient a map using only topographical features and your own eyesight. Photo: Wikipedia. Shows how to use the USGI issue lensatic compass to orient the map, plot a course based on two well-defined. With the map level, place the compass . Then, slide your compass around so that its edge passes through the landmark on the map, while the orienting arrow continues to point north. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass. As a result, your real bearing is 166. In such orientation we use a lensatic scale. Get my Land Navigation coursehere. Map and compass skills are essential when navigating the great outdoors, Abrupt topography, like mountain peaks, should be easy to identify thanks to their contours on the map, Magnetic declination guidance on a standard topographical map, Having adjusted the compass housing to correspond with magnetic north, line your compass up with the map's gridlines, Red is in the shed: the compass needle is lined up with the orientating arrow, Ski towns are full: why we cant all just move to the mountains, Berghaus MTN Guide MW Hoody review: a performance mid-layer for the mountains, Rangers warn National Park graffiti could throw hikers off the trail. You look out into the distance and you see another mountain peak, but you dont know the name of it. Not a problem. He has climbed a handful of 6000ers in the Himalayas, 4000ers in the Alps, 14ers in the US, and loves nothing more than a good long-distance wander in the wilderness. If we didnt adjust for declination and were getting bearings for our destination from our map, well find ourselves off by 14 or more when we start walking. Using the approach described above, plot that bearing on the map. Spatial awareness refers to having knowledge about where everything in the environment is located relative as well as understanding how objects relate with each other spatially. Learn Land Navigation Now. Line your orienteering compasss base plate up with the maps north-south lines. Its declination is recorded as 14E. 1. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow . But heres where things get tricky: the angle of declination changes depending where you are on the earth. There are two ways of doing this. In Part I, we covered how to properly use a compass, how to shootyour bearings, and the best map for navigating: the topo map. So, if youre in Muir Woods and your compass has a bearing of 180, youll want to subtract 14. A map, by definition, is a small-scale representation of the real world or a section thereof. If you dont start out using your lensatic compass with a map, then its just a regular compass. Its 230 degrees in reference to your position, as you can see. Reserve! Simply look for distinguishable landmarks that are marked on the map, and turn so that both you and the map are facing this object. Lay the compass down on your map. Experience is the best way to learn and wed highly recommend booking a navigation course to really hone your skills. Used the G-M angle formed by the . Huzzah! Any kinds of magnets whatsoever. 4. Look through the lens and sighting line. At least, I never saw him with one. . Great article! 3. As previously stated, orientating your map using visual features is only as good as the visibility on any given day. The fact that they glow in the dark (especially, if they're the tritium kind which will glow for years without having to be exposed to light) means you can use your compass without a light for night navigation. Navigation has taken on many forms over the years. is also used to follow a course over the ground, orient or set a map, and determine position of objects in. He is currently the President of the London Mountaineering Club, training to become a Winter Mountain Leader, looking to finally finish bagging all the Wainwright fells of the Lake District and hoping to scale more Alpine 4000ers when circumstances allow. Also known as setting the map, orientating helps to relate your position and the landscape around you to the map, therefore making onward navigation more straightforward. Youll want to stick to areas that are cool and dry, and dont offer any immediate threats to technological devices. Huzzah! Preferred by military for its precision and. Put that hand up to the compass, steadying the compass by placing your index finger along the compass's side, and wrapping your thumb between the bezel ring and the rear sight. All Rights Reserved. We need to compensate for the compass now that weve placed it on the map so that we can appropriately orient and travel. (Note: if you have a compass with an adjustable declination the adjustment needs to be set to zero). Turn the compass cover more or less perpendicular to the base. A: In order to orient and read a map, you have to have spatial awareness. 2. You need to know where youre going before toying with the compass. All you have to do is shoot a bearing towards the unidentified peak. The red end of the needle must be pointing to the top of the map. This latter option is a cheat since grid lines have their own declination value. The narration and imagery may seem old-timey in this era of high-def computer graphics . Lets say youre out hiking. EMERGENCY PREPAREDNESS & More: A Manual On Food Storage and Survival: 2nd Edition Revised and Updated. Pull the ring underneath the compass and put your thumb through. Line your lensatic compasss base plate up with the maps north-south lines. A Beginners Guide. Mt. Wrap your middle, ring and pinky finger around your thumb for support. Turn your declination-adjusted compass dial so due North is at the index pointer. The method is to align the edge of the compass along the Magnetic North (MN) line, and then move the map and compass together until the compass needle points north. Once you've got the bearing you can transfer it to the map. Compass (For Dummies) Beginner guide to map and compass - Survival Saturday Ep. Get your own customized topographical maps, built according to your specifications. Youll want to turn it until that black arrow outline is lined up with the 4E hash mark. 2. Turn the map and compass together until the red needle is pointing north. Home / Educational Resources / Math Resources / Compass: Definitions and Examples. Welcome back to the Art of ManlinessLand Navigation Manual. Move the lens holder: Slightly push forward the lens holder. Battle tested - shock, water, sand proof, and. Some of the components' terms are used in the explanations below. With our compass adjusted for local declination, were now ready to start orienting ourselves. Spatial awareness refers to having knowledge about where everything in the environment is located relative as well as understanding how objects relate with each other spatially. Orient the map to the terrain. You want to line up your view so the direction of travel arrow is straight ahead. Now hold the compass on the map and rotate yourself and the map/compass together until the orienting arrow and the compass needle are aligned to magnetic north. But its important to understand the different types of navigational toolsincluding a lensatic compass. . Turn your compass on its side. To use this method (a) Open the cover to a 90-degree angle to the base. Once you reach your landmark, align yourself again to make sure youre on the right path. Tags: download Elcenter Course, mp3 download Elcenter Course, download mp3 Elcenter Course, mp3 gratis Elcenter Course, Elcenter Course lagu mp3 dan video mp4. Turn the compass and the map as a unit until you box the needlei.e., Put Red Fred in the shed. SEE IT. The bezel clicks as it moves--three degrees for every click. Its a subtle difference, but its a roundabout way of saying lensatic compasses are less prone to interference than others. Hey, it happens! This is also known as triangulation. When you return from using your lensatic compass, take it apart as much as possible to detect any moisture. Large Ball Compass - Easy to read ball compass shows two readings. At this point, your map is almost oriented. Now, read the degree marking under the fixed black index line. But I wish I had the simpler kind that just automatically points to the direction on the compass that I am . If your compass doesnt have a declination adjustment key, simply make the adjustment on the spot. If we dont account for declination and use our map to acquire directions to our destination, well be wrong by 14 or more when we start walking. We just dont know where exactly. For bearings of one to 179 degrees, rotate the bezel counter-clockwise. When you have a line location, you know youre on a maps recognizable line (trail, ridge line, etc. You can also use this website to get up to date declinations. 1 color. You want to go cross country directly to Devil's Wash Basin, a deep and beautiful lake you've heard a lot about. 3. If you point your compass towards true north, your compass needle is going to point a little to the east. The bezel clicks as it moves--three degrees for every click. Hed just line his map up with the features of the lake we were currently on to find our portage to the next lake. This was developed for the Center for Initial Military Training, FT Eustis, Va. Before we do that, lets dig a bit deeper into declination. To do so accurately, however, we must first adjust our compass for magnetic declination so the reading taken from the compass arrow is pointing our map towardtruenorth as opposed tomagneticnorth. Hand placement: Insert your thumb through the thumb loop and the index finger along the compass. Look through the sighting slot and find some target (a tree, boulder, whatever) that lines up with your sighting wire. Here at Brunton, we manufacture a variety of different compasses for varying needs in the field. What wildlife can you see at Yellowstone National Park? Remember how we spoke about declination in Part 1? Because my magnetic declination is 4E, Ill move the black arrow outline to the red hash marks next to E DECL.. Place compass on top of map. You cant shoot a bearing on the end point in your terrain since you cant see it. Check the index line to find out the bearing you just have taken. For this task, the lensatic compass really shines. Heres our step-by-step guide to the most straightforward. Well, youre going to have to do some math with all your bearings to make sure you get a true bearing. Related Tags. You notice another mountain peak out in the distance, but you dont know what its called. Next, without changing the orientation of you map, move your compass so that the point you are plotting to/from is under the sighting wire, and the compass dial reading matches your bearing. SMCT Orient a Map Using a Lensatic Compass. Take a compass bearing on the peak to your southwest. Line it up with that. Basically, in areas west of the agonic line, the compass needle will point somewhere to the east of true north; in areas east of the agonic line, the compass needle will point somewhere west of true north. Find out more atwww.alexfoxfield.com (opens in new tab). First, open the compass to its fullest so that the cover forms a straightedge with the base. Finally, read the number on the rim of the compass. There is nothing better than being at the heart of your navigation as a prepper, and truly knowing where youre headed without the need for technological input. 3. As long as youre lined up with your direction of travel arrow (keeping that north arrow visible for reference), you need to look through the sighting line and pick a landmark ahead of you. 2. Youll line up your needle with the tape arrow instead of the arrow on your compass. Visit our corporate site (opens in new tab). 3. for Faith in Humanity, how to orient a map using a lensatic compass, orient a map using a lensatic compass powerpoint. Step 1: Find the North Star.